107642909 has 4 divisors (see below), whose sum is σ = 117428640. Its totient is φ = 97857180.

The previous prime is 107642897. The next prime is 107642911. The reversal of 107642909 is 909246701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 107642909 - 2⁴ = 107642893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107642939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4892849 + ... + 4892870.

It is an arithmetic number, because the mean of its divisors is an integer number (29357160).

Almost surely, 2^107642909 is an apocalyptic number.

It is an amenable number.

107642909 is a deficient number, since it is larger than the sum of its proper divisors (9785731).

107642909 is an equidigital number, since it uses as much as digits as its factorization.

107642909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9785730.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 107642909 is about 10375.1100717053. The cubic root of 107642909 is about 475.6948780725.

The spelling of 107642909 in words is "one hundred seven million, six hundred forty-two thousand, nine hundred nine".